6. Takashi Murakami
Estimated Worth: £65 Million
The artist has 100+ employees working on paintings, sculptures, Louis Vuitton bags, inflatable balloons, videos, toys, etc, with a kitsch rivalling Koons. The artist’s MoCA exhibit in L.A. that followed his Louis Vuitton collaboration in 2007 even featured a Louis Vuitton pop-up store.